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 <head>
  <meta charset="UTF-8">
  <meta name="Generator" content="EditPlus®">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <title>Document</title>
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<script>
	//push()方法
	var arr = ['陈述', '姚瑶', '邓会东'];
	arr.push('廖仁章','李超云'); //添加到原数组的后面，改变原数组
	arr.push('哈哈', undefined, 33, ['aa','bb']);
	console.log(arr);
	console.log(arr.length); //5
	console.log(arr[arr.length-1][0])
</script>
